This is a general overview if the game Treasures of Cathy by John Collins. It was released in 1982 for "AstroBASIC." During the twenty minutes of, gameplay various areas of the game are explored while collecting items and treasures.
This adventure-style game has 49 locations with 18 treasures. You can only carry six treasures/items at a time. Each treasure gives additional points. Each move subtracts one point. Try for a score greater than 1,000 points. There are four keywords: IN, UP, DROP and GET.
This video is split into several parts:
0:00 - Introductory Titles 0:05 - Loading and Playing Treasures of Cathy 22:37 - BASIC Program Listing 23:39 - End Credits